0a7d173503f72f4283f89065637f421bb4f2d5aa8c721a3004091d2d575132a9

Analysis

max time kernel
120s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 21:38

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General

Target

d0cc9bca2fd0b86d320f43bef21ed080N.exe
Size

47KB
MD5

d0cc9bca2fd0b86d320f43bef21ed080
SHA1

bce32b3cc3bc4995b44d036e56ae749fff9fd5ce
SHA256

0a7d173503f72f4283f89065637f421bb4f2d5aa8c721a3004091d2d575132a9
SHA512

014519f4e5525c728c2dddc567b9ce7ba498ee44996e4dd0eeba46e96f8da0b2ace767ef8cc3a42393869c15910fcc1e957b176f03848c91e661f5bff80cff4f
SSDEEP

768:Iv9ilrnywLsYg+0yq2vWdT9SOaNou0yWH7oXzO8ZGjSjAsOmA0acpTFoSI:fjxsz40yvXHGjUAsOPCo3

Score

7^/10

discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	d0cc9bca2fd0b86d320f43bef21ed080N.exe

Executes dropped EXE 1 IoCs

pid	Process
2464	conwurm.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3752-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/files/0x0009000000023409-8.dat	upx
behavioral2/memory/3752-13-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/2464-16-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0cc9bca2fd0b86d320f43bef21ed080N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	conwurm.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 2464	3752	d0cc9bca2fd0b86d320f43bef21ed080N.exe	84
PID 3752 wrote to memory of 2464	3752	d0cc9bca2fd0b86d320f43bef21ed080N.exe	84
PID 3752 wrote to memory of 2464	3752	d0cc9bca2fd0b86d320f43bef21ed080N.exe	84

C:\Users\Admin\AppData\Local\Temp\d0cc9bca2fd0b86d320f43bef21ed080N.exe
"C:\Users\Admin\AppData\Local\Temp\d0cc9bca2fd0b86d320f43bef21ed080N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Users\Admin\AppData\Local\Temp\conwurm.exe
  "C:\Users\Admin\AppData\Local\Temp\conwurm.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\conwurm.exe

Filesize
48KB

MD5
d8d18d4b5ec9944adb089e1cb0f36fc5

SHA1
9a97a4f6b9e58f108f3c1154b0d4344dbf94ef6d

SHA256
425cedff2e80af7825ff8d23e1d41af19cdf33e6a548b1c674a1424c534fb488

SHA512
1936a4375875dd27804876eee1794ebeea8c848c2ead2fdebeae5b82ec4b57dfa75c69fc3731ea148dae382ad51d03afc3573ad0f7880cbf26acb94322f7802a

Download Submit
memory/2464-16-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3752-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3752-1-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/3752-2-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/3752-4-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/3752-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download